<script setup>
  import { ref, computed } from 'vue'
  import { onLoad } from '@dcloudio/uni-app'
  import taskApi from '@/apis/task.js'
  // 1. 定义两个响应式变量用来接收服务器返回的图片地址
  // 提货凭证照片
  const receiptPictrues = ref([])
  // 提货商品照片
  const goodsPictrues = ref([])

  // 2. 准备两个计算属性，来解析出[{url:''}....]
  const receiptPictruesComputed = computed(() => {
    return receiptPictrues.value.map((item) => {
      return { url: item.url }
    })
  })

  const goodsPictruesComputed = computed(() => {
    return goodsPictrues.value.map((item) => {
      return { url: item.url }
    })
  })

  // 3. 使用计算属性来计算出当前提交按钮是否可以点击
  // 凭证和商品都至少上传一张图片
  const enableSubmit = computed(() => {
    // 如果两个数组长度均大于0，则返回true，否则返回false
    return receiptPictrues.value.length > 0 && goodsPictrues.value.length > 0
  })

  let id = ref(0)
  onLoad((params) => {
    id = params.id
  })

  // 4. 提交数据给服务器
  async function onSubmitForm() {
    // 准备好提交的数据
    let obj = {
      id: id,
      deliverPictureList: receiptPictruesComputed.value,
      certificatePictureList: goodsPictruesComputed.value,
    }
    // 提交
    await taskApi.deliver(obj)
    uni.utils.toast('交付成功', 'success')
    uni.switchTab({
      url: '/pages/task/index',
    })
  }
</script>

<template>
  <view class="page-container">
    <view class="receipt-info">
      <uni-file-picker
        limit="3"
        v-model="receiptPictrues"
        title="请拍照上传回单凭证"
      ></uni-file-picker>
      <uni-file-picker
        limit="3"
        v-model="goodsPictrues"
        title="请拍照上传货品照片"
      ></uni-file-picker>
    </view>
    <!--  <view class="">
      {{ receiptPictruesComputed }}
    </view>
    <view class="">
      {{ goodsPictruesComputed }}
    </view> -->
    <button :disabled="!enableSubmit" class="button" @click="onSubmitForm">
      提交
    </button>
  </view>
</template>

<style lang="scss" scoped>
  .page-container {
    padding: 30rpx;
  }

  .receipt-info {
    min-height: 600rpx;
    background-color: #fff;
    padding: 20rpx 30rpx;
    border-radius: 16rpx;

    ::v-deep .uni-file-picker {
      margin-bottom: 30rpx;
    }
  }

  .button {
    height: 100rpx;
    text-align: center;
    line-height: 100rpx;
    /* #ifdef APP */
    padding-top: 4rpx;
    /* #endif */
    border-radius: 100rpx;
    margin-top: 60rpx;
    color: #fff;
    font-size: $uni-font-size-big;
    background-color: $uni-primary;

    &[disabled] {
      color: #fff;
      background-color: #fadcd9;
    }
  }
</style>
